mantenerlo en secreto

keep it secret

→ mantener
phrase Rare #23,570
keep it secret Used when you promise not to tell other people something.
SP: No se lo digas a nadie; hay que mantenerlo en secreto.
EN: Don’t tell anyone; we have to keep it secret.

Me ha pedido mantenerlo en secreto.

He asked me to keep it a secret.

Le prometí mantenerlo en secreto.

I promised to keep it a secret.

Ya sabes, hemos de mantenerlo en secreto hasta el último momento.

You know, we have to keep it a secret until the very last moment.

— Juego sucio (Infernal Affairs) (2002)

No podemos mantenerlo en secreto indefinidamente.

We can't keep it a secret indefinitely.

Prometí mantenerlo en secreto.

I promised to keep it a secret.